CN218710134U - Reflective film and vehicle number plate - Google Patents
Reflective film and vehicle number plate Download PDFInfo
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- CN218710134U CN218710134U CN202222958492.8U CN202222958492U CN218710134U CN 218710134 U CN218710134 U CN 218710134U CN 202222958492 U CN202222958492 U CN 202222958492U CN 218710134 U CN218710134 U CN 218710134U
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Abstract
The utility model relates to a reflective membrane and vehicle license plate. The reflective membrane comprises a protective layer, a pattern layer, a PVC surface layer, a UV adhesive micro prism layer, an air capsule layer and a sealing layer which are sequentially stacked. In the reflective film of the technical scheme of the utility model, the UV adhesive micro prism layer can enter the micropores on the surface of the PVC surface layer, thereby sealing the micropores on one side of the PVC surface layer and forming positive pressure, so that air and water vapor are not easy to absorb and enter the PVC surface layer; meanwhile, the air capsule layer can prevent free monomers in other layers of coating from corroding the prism structure of the UV adhesive micro-prism layer. Therefore, the aging resistance of the reflective film is greatly improved, and the application is facilitated. Furthermore, the utility model discloses still relate to a vehicle license plate, including number plate body and the arbitrary reflective membrane of the aforesaid, the reflective membrane is fixed in one side of number plate body. The utility model discloses technical scheme's vehicle license plate's ageing resistance can be better, is favorable to using.
Description
Technical Field
The utility model relates to a reflection of light goods technical field especially relates to a reflective membrane and vehicle license plate.
Background
The reflective film is a retroreflective material which can be directly applied to a manufactured film, usually the reflective film is attached to a panel when in use, necessary information is remotely fed back (reflected) to eyes of people through processes of printing, lettering, word pasting and the like on the surface of the reflective film, and carrier help is provided for receiving, identifying and judging the information before people take necessary actions. At present, the reflective film has wide application in the fields of transportation, safety warning, clothing decoration, navigation and aviation, and the like.
The microprism type reflective film is a basic optical application material with high reflective brightness, is widely applied to the fields of various road traffic safety signs, traffic safety facilities, vehicle safety devices and the like, and can play an obvious safety warning role. The micro-prism type reflective film adopting the PVC surface layer has moderate softness and better fastness of combination with the panel, thereby being beneficial to wide application. However, in the conventional microprism type reflective film adopting the PVC surface layer, since the PVC material has the characteristic of porosity, the material is easy to age, and the application thereof is limited.
SUMMERY OF THE UTILITY MODEL
Accordingly, it is necessary to provide a reflective film and a vehicle license plate in order to improve aging resistance.
The utility model provides a reflective membrane, reflective membrane is including the protective layer, picture layer, PVC surface course, the little prism layer of UV glue, air capsule layer and the sealing layer that stack gradually the setting.
In one possible implementation manner, the UV glue micro prism layer is in a pyramid array structure or a frustum array structure, and the side and the top of each pyramid or frustum are wrapped by the air capsule layer.
In one possible implementation, the thickness of the UV glue micro-prism layer is 10 μm to 50 μm.
In one possible implementation, the sealing layer has a projection on a side facing the air bladder layer, and the projection is embedded in the PVC face layer.
In one possible implementation, a side of the sealing layer remote from the air capsule layer has a groove.
In one possible implementation, the sealing layer is a PET layer, and the thickness of the sealing layer is 10 μm to 100 μm.
In one possible implementation, the protective layer is a transparent UV curable material layer, and the thickness of the protective layer is 2 μm to 10 μm.
In a feasible implementation mode, the layer is an ink printing layer, a hot stamping layer or a spray painting layer, and the thickness of the layer is 2-10 μm.
In one possible implementation, the thickness of the PVC facing is between 10 μm and 100 μm.
In one possible implementation manner, the light reflecting film further comprises a glue layer, wherein the glue layer is positioned on one side of the sealing layer away from the air capsule layer; the reflective film further comprises a release layer, and the release layer is located on one side, away from the sealing layer, of the adhesive layer.
In one feasible implementation manner, the adhesive layer is a UV adhesive layer or a pressure-sensitive adhesive layer, and the thickness of the adhesive layer is 10-50 μm.
The utility model discloses among technical scheme's the reflective membrane, the little prism layer of UV glue can get into the micropore on PVC surface course surface to sealed the micropore of PVC surface course one side, formed the malleation, made air and steam be difficult for adsorbing get into the PVC surface course in, consequently improved the ageing resistance ability of reflective membrane greatly, be favorable to using.
A vehicle number plate comprises a number plate body and any one of the reflective films, wherein the reflective film is fixed on one side of the number plate body.
The vehicle license plate of the technical scheme of the utility model comprises the reflective film, wherein the UV adhesive micro prism layer can enter the micropores on the surface of the PVC surface layer, thereby sealing the micropores on one side of the PVC surface layer and forming positive pressure, so that air and water vapor are not easy to be absorbed into the PVC surface layer; meanwhile, the air capsule layer can prevent free monomers in other layers of coating from corroding the prism structure of the UV adhesive micro-prism layer. Therefore, the aging resistance of the reflective film is greatly improved, so that the aging resistance of the vehicle number plate is improved, and the application is facilitated.
Drawings
Fig. 1 is a schematic view of a reflective film according to an embodiment of the present invention;
fig. 2 is a schematic view of a vehicle license plate according to an embodiment of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a reflective film 100 according to an embodiment of the present invention includes a protective layer 110, a pattern layer 120, a PVC surface layer 130, a UV-adhesive micro prism layer 140, an air capsule layer 150, and a sealing layer 160, which are stacked in sequence.
Wherein, PVC surface course 130 plays the supporting role to other each layers, and PVC surface course 130 adopts the PVC material, but the surface course punching press this moment forms spatial structure, is convenient for warp or the former typeface of damaged after discernment to the surface of PVC material is easily colored, is convenient for air brushing or printing or thermoprint pattern.
Among other things, the UV glue microprism layer 140 serves to provide retroreflective properties to the retroreflective film such that articles including the retroreflective film 100 are well identified in low light conditions.
The air capsule layer 150 is located on one side of the UV glue micro prism layer 140, and is used for wrapping the UV glue micro prism layer 140 to isolate the UV glue micro prism layer 140 from other layers. Therefore, the prism structure in the UV glue micro-prism layer 140 can be prevented from being corroded by free monomers in other layers of coatings, so that the retroreflection performance of the reflecting film is improved, and the reflecting effect is improved.
Wherein the sealing layer 160 is used to co-mold with the PVC face layer 130 to form the air bladder layer 150. The air-encapsulated layer 150 provides the retroreflective sheeting 100 with both hermetic insulation and enhanced visual aesthetics.
On the basis of the foregoing embodiment, the UV glue micro-prism layer 140 has a pyramid array structure or a terrace array structure, and the side and top of each pyramid or terrace are wrapped by the air capsule layer 150. Specifically, the UV gel micro-prism layer 140 of the present embodiment has a triangular pyramid array structure, and the side and top of each triangular pyramid are wrapped by the air capsule layer 150. The triangular pyramid array structure is a structure formed by three planes which are perpendicular to each other in pairs, and can carry out total internal reflection on incident light from a front surface, so that the reflection efficiency of the incident light is greatly improved. The plane based on such a structure is not limited to a certain size or shape, nor to the optical axis direction of the prism unit, and is generally referred to as a "cube cone", "triangular cone", or "trihedron". In this embodiment, the air capsule layer 150 can completely isolate the micro prisms in the UV gel micro prism layer 140 from the sealing layer 160, thereby playing a better protection role.
In addition to the above embodiments, the thickness of the UV glue micro-prism layer 140 is 10 μm to 50 μm. The thickness of the UV glue micro-prism layer 140 may be, for example, 10 μm, 20 μm, 30 μm, 40 μm, or 50 μm.
On the basis of the foregoing embodiment, when the sealing layer 160 and the PVC face layer 130 are embossed, the air bladder layer 150 with the customized pattern can be formed by embossing and compounding at a high temperature by using a press roll with the customized pattern (for example, embossing the sealing layer 3 and the carrier layer 6 by using a press roll with the customized pattern under the conditions that the temperature of the press roll is 170 ℃ to 250 ℃, the pressure is 3 to 5 kilograms, and the pressing rate is 3 to 6 meters per minute). Specifically, the side of the sealing layer 160 facing the air bladder layer 150 has protrusions 161, and the protrusions 161 are embedded in the PVC face layer 130. Wherein, arch 161 can distribute according to the customization pattern and set up, can evenly distribute in PVC surface course 130, also can unevenly distribute in the assigned position, the utility model discloses do not prescribe a limit to arch 161's distribution mode.
In the foregoing embodiment, the sealing layer 160 has a groove 162 on a side thereof away from the air bladder layer 150. At this time, a portion of the adhesive layer 170 is embedded in the groove 162. Similarly, the present invention does not limit the distribution of the grooves 162.
In addition to the foregoing embodiment, the sealing layer 160 is a PET layer, and the thickness of the sealing layer 160 is 10 μm to 100 μm. The thickness of the sealing layer 160 may be, for example, 10 μm, 20 μm, 30 μm, 40 μm, 50 μm, 60 μm, 70 μm, 80 μm, 90 μm, or 100 μm.
In addition to the above embodiments, the protective layer 110 is a transparent UV curable material layer, and the thickness of the protective layer 110 is 2 μm to 10 μm. The thickness of the protective layer 110 may be, for example, 2 μm, 3 μm, 4 μm, 5 μm, 6 μm, 7 μm, 8 μm, 9 μm, or 10 μm.
On the basis of the foregoing embodiment, the layer 120 is an ink printing layer, a hot stamping layer, or an inkjet layer, and the thickness of the layer 120 is 2 μm to 10 μm. The thickness of layer 120 may be, for example, 2 μm, 3 μm, 4 μm, 5 μm, 6 μm, 7 μm, 8 μm, 9 μm, or 10 μm.
In addition to the foregoing embodiments, the thickness of the PVC face layer 130 is 10 μm to 100. Mu.m. The thickness of the PVC face layer 130 may be, for example, 10 μm, 20 μm, 30 μm, 40 μm, 50 μm, 60 μm, 70 μm, 80 μm, 90 μm, or 100 μm.
In addition to the foregoing embodiments, the retroreflective sheeting 100 further includes a glue layer 170, and the glue layer 170 is located on a side of the sealing layer 160 away from the air bladder layer 150. The adhesive layer 170 serves as an adhesive for adhering the reflective film 100 to a panel such as a vehicle license plate.
On the basis of the foregoing embodiment, the adhesive layer 170 is a UV adhesive layer or a pressure sensitive adhesive layer, and the thickness of the adhesive layer 170 is 10 μm to 50 μm. The thickness of the glue layer 170 may be, for example, 10 μm, 20 μm, 30 μm, 40 μm, or 50 μm.
On the basis of the foregoing embodiments, the reflective film 100 further includes a release layer 180, and the release layer 180 is located on a side of the adhesive layer 170 away from the sealing layer 160. The release layer 180 is a release film or a release paper, and may be a PVC layer, for example.
On the basis of the foregoing embodiment, the resin body in the UV glue micro prism layer 140, the protective layer 110, or the glue layer 170 is independently selected from at least one of urethane acrylate, epoxy acrylate, pure acrylate, polyester acrylate, and polyether acrylate; the photoinitiator in the UV-glue is selected from at least one of 2,4, 6-trimethylbenzoyldiphenylphosphine oxide, 1-hydroxycyclohexylphenylketone, 6,4, 6-trimethylbenzoylphenylphosphonic acid ethyl ester, bis 2, 6-difluoro-3-pyrrol-ylphenyltitanocene, phenyl bis (2, 4, 6-trimethylbenzoyl) phosphine oxide, 2-isopropylthioxanthone, 2-hydroxy-2-methyl-1-phenylpropanone, 2-methyl-2- (4-morpholinylphenyl) -1- [4- (methylthio) phenyl ] -1-propanone and 1, 7' -trimethyl-bicyclo (2, 1) heptane-1, 3-dione; the auxiliary agent in the UV glue is selected from at least one of a coupling agent, a defoaming agent and a leveling agent.
Referring to fig. 1, a method for manufacturing a reflective film 100 according to an embodiment of the present invention includes the following steps:
s10, coating UV glue on the PVC surface layer 130, then pressing the micro-prism structure through a pressing roller, and obtaining the UV glue micro-prism layer 140 after light source curing.
And S20, forming a sealing layer 160 on the surface of the UV glue micro prism layer 140 far away from the PVC surface layer 130, and carrying out mould pressing on a composite structure formed by the UV glue micro prism layer 140 and the sealing layer 160 to form the air capsule layer 150.
And S30, sequentially forming a pattern layer 120 and a protective layer 110 on the surface of the PVC surface layer 130 far away from the UV adhesive micro-prism layer 140.
For example, the layer 120 may be formed by printing ink, hot stamping, or inkjet, and then UV varnish is coated on the surface of the layer 120, and the varnish, that is, the protective layer 110, is obtained after curing by a light source.
And S40, sequentially forming a glue layer 170 and a release layer 180 on the surface of the sealing layer 160 far away from the UV glue micro prism layer 140.
The glue layer 170 may be obtained by coating and photocuring. The release layer 180 may be provided as needed.
In the reflective film of the technical scheme of the utility model, the UV adhesive micro prism layer can enter the micropores on the surface of the PVC surface layer, thereby sealing the micropores on one side of the PVC surface layer and forming positive pressure, so that air and water vapor are not easy to absorb and enter the PVC surface layer; meanwhile, the air capsule layer can prevent free monomers in other layers of coating from corroding the prism structure of the UV adhesive micro-prism layer. Therefore, the aging resistance of the reflective film is greatly improved, and the application is facilitated.
Referring to fig. 2, a vehicle license plate 200 according to an embodiment of the present invention includes a license plate body 210 and the reflective film 100, and the reflective film 100 is fixed to one side of the license plate body 210. Specifically, the adhesive layer 170 of the reflective film 100 is adhered to the number plate body 210. Wherein, the number plate body 210 contains the chip 220.
The vehicle number plate 200 is also referred to as a license plate, and is a plate material suspended at the front and rear of the vehicle, and is usually made of aluminum, iron sheet, plastic or paper, on which a registration number, a registration area or other relevant information of the vehicle is imprinted. The vehicle number plate is used for registering the number and information of each vehicle, and has the main functions that the region of the vehicle can be known through the vehicle number plate, and the owner of the vehicle and the registration information of the vehicle can be found according to the vehicle number plate.
The reflective film 100 includes a protective layer 110, a pattern layer 120, a PVC surface layer 130, a UV glue micro prism layer 140, an air capsule layer 150, a sealing layer 160, and a glue layer 170, which are stacked in sequence.
In addition to the above embodiments, the reflective film 100 is peeled off the release layer 180 and then bonded to the number plate body 210 through the adhesive layer 170.
The utility model discloses an among the vehicle license plate, because no metal level in the reflective membrane, consequently to the no signal shielding of chip, be favorable to using. It is noted that the retroreflective sheeting of the present invention may be used in the number plate of a motor vehicle or the number plate of a non-motor vehicle.
The vehicle license plate of the technical scheme of the utility model comprises the reflective film, wherein the UV adhesive micro prism layer can enter the micropores on the surface of the PVC surface layer, thereby sealing the micropores on one side of the PVC surface layer and forming positive pressure, so that air and water vapor are not easy to be absorbed into the PVC surface layer; meanwhile, the air capsule layer can prevent free monomers in other layers of coating from corroding the prism structure of the UV adhesive micro-prism layer. Therefore, the aging resistance of the reflective film is greatly improved, so that the aging resistance of the vehicle number plate is improved, and the application is facilitated.
In order to make the technical solution of the present application more specific, clear and easy to understand, the technical solution of the present application is illustrated by reference to the above implementation contents, but it should be noted that the contents to be protected by the present application are not limited to the following embodiments.
Example 1
Coating a 50-micron UV adhesive layer on the surface of a 100-micron PVC surface layer, impressing a micro-prism structure through a pressing roller, and curing through a light source to form a UV adhesive micro-prism layer;
embossing the PET sealing layer with the thickness of 50 microns and the UV glue micro prism layer at 180 ℃ through an embossing roller to form an air capsule layer;
printing a pattern layer on the surface of the PVC surface layer far away from the UV adhesive micro prism layer;
coating 5 mu m of UV gloss oil on the surface of the pattern layer, and curing by a light source to obtain a protective layer;
and coating 40 mu m UV glue on the surface of the sealing layer, which is far away from the UV glue micro prism layer, and adhering the UV glue to the surface of the license plate body after light source curing.
And (3) performance testing:
the test method comprises the following steps: the retroreflective sheeting of the vehicle license plate of example 1 was tested using test standard GA 666-2018, and the test results are shown in tables 1 and 2.
Table 1 data of the performance test of the reflective film in the vehicle number plate of example 1
Performance of | Example 1 |
Millimeter wave attenuation | 2dB |
Apparent appearance | No defect and uniform light reflection effect |
Stamping resistance | Defect free |
Water resistance | No water enters into the membrane |
Peel strength | 40N |
Bending resistance | No crack, peeling and delamination |
Weather resistance | No defects of discoloration, cracking and the like |
Washing resistance | Without defects such as breakage and peeling |
Tensile strength at break | 35N |
Tensile strain at |
130% |
Table 2 retroreflection coefficient data of the light-reflecting film in the vehicle license plate of example 1
As can be seen from table 1, the reflective film in the vehicle number plate prepared in embodiment 1 of the present invention has good performance, low millimeter wave attenuation, good appearance, good reflective effect, good stamping resistance, good water resistance, good peel strength, good bending resistance, good weather resistance, good washing resistance, good tensile strength at break, and good tensile strain at break; from table 2, the utility model discloses the contrary reflectance factor of the reflective membrane in the vehicle license plate that embodiment 1 prepared obtains can reach the numerical value of ideal at different observation angles and incident angle homoenergetic, shows that reflection of light effect is better.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (12)
1. The utility model provides a reflective membrane, its characterized in that, reflective membrane is including the protective layer, picture layer, PVC surface course, the little prism layer of UV glue, air capsule layer and the sealing layer that stack gradually the setting.
2. The light-reflecting film according to claim 1, wherein the UV glue micro prism layer is a pyramid array structure or a frustum array structure, and the side and top of each pyramid or frustum are wrapped by the air capsule layer.
3. The reflective film of claim 1, wherein the UV glue micro-prism layer has a thickness of 10 μm to 50 μm.
4. The sheeting of claim 1 wherein the side of the sealing layer facing the air-bag layer has projections embedded in the PVC face layer.
5. The sheeting of claim 1 wherein the sealing layer has a recess on a side of the sealing layer remote from the air-encapsulated layer.
6. The retroreflective sheeting of claim 1 wherein the sealing layer is a PET layer and the sealing layer has a thickness of 10 to 100 μm.
7. The reflective film of claim 1, wherein the protective layer is a transparent UV curable material layer, and the protective layer has a thickness of 2 μm to 10 μm.
8. The reflective film according to claim 1, wherein the layer is an ink printing layer, a hot stamping layer or a spray painting layer, and the thickness of the layer is 2 μm to 10 μm.
9. The retroreflective sheeting of claim 1 wherein the PVC facing has a thickness of 10 to 100 microns.
10. The retroreflective sheeting of claim 1 further comprising a glue layer on a side of the sealing layer remote from the air-pocket layer; the reflective membrane further comprises a release layer, and the release layer is located on one side, far away from the sealing layer, of the adhesive layer.
11. The reflective film of claim 10, wherein the adhesive layer is a UV adhesive layer or a pressure sensitive adhesive layer, and the thickness of the adhesive layer is 10 μm to 50 μm.
12. A vehicle number plate comprising a number plate body and the reflective film according to any one of claims 1 to 11, wherein the reflective film is fixed to one side of the number plate body.
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CN202222958492.8U CN218710134U (en) | 2022-11-07 | 2022-11-07 | Reflective film and vehicle number plate |
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CN202222958492.8U CN218710134U (en) | 2022-11-07 | 2022-11-07 | Reflective film and vehicle number plate |
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